Closes #22580: Fix documentation of PyUnicode_Tailmatch()
The result type is Py_ssize_t (and not int).
diff --git a/Doc/c-api/unicode.rst b/Doc/c-api/unicode.rst
index 4ef437c..8932915 100644
--- a/Doc/c-api/unicode.rst
+++ b/Doc/c-api/unicode.rst
@@ -1035,7 +1035,7 @@
Unicode string.
-.. c:function:: int PyUnicode_Tailmatch(PyObject *str, PyObject *substr, Py_ssize_t start, Py_ssize_t end, int direction)
+.. c:function:: Py_ssize_t PyUnicode_Tailmatch(PyObject *str, PyObject *substr, Py_ssize_t start, Py_ssize_t end, int direction)
Return 1 if *substr* matches ``str[start:end]`` at the given tail end
(*direction* == -1 means to do a prefix match, *direction* == 1 a suffix match),